ryo

noun2

1. •
   A gold currency unit in the shakkanhō system in pre-Meiji Japan.

   • He pulled three gold ryō out of his pocket, made a hole in one of them with a short sword, and gave it to the child to play with. — 2001
2. •
   An anhemitonic pentatonic scale used in a Japanese Buddhist chant, and built up by intervals of major second, major second, minor third, major second, minor third.

noun1

1. •
   Initialism of roll-your-own.